IT

Tracker / CVE-2022-49426

CVE-2022-49426

High 7.8

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3-sva: Fix mm use-after-free We currently call arm64_mm_context_put() without holding a reference to the mm, which can result in use-after-free. Call mmgrab()/mmdrop() to ensure the mm only gets freed after we unpinned the ASID.

Affected products and versions

linux linux_kernel · 5.11 → 5.15.46
linux linux_kernel · 5.16 → 5.17.14
linux linux_kernel · 5.18 → 5.18.3

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References